Also talha, talka. [According to Schweinfurth, from talch, Arabic name of Acacia stenocarpa.] An inferior kind of gum arabic of brownish color, obtained in tropical Africa from Acacia stenocarpa and Acacia Seyal. Also called Suakin gum.

1

1867.  Flückiger & Hanbury, Pharmacogr., 206. Suakin Gum, Talca, or Talba Gum … is remarkable for its brittleness, which occasions much of it to arrive in the market in a semi-pulverulent state.

2